Скачать или смотреть 23 - Part 3 - Context API | Theme Context | React JS | Tamil

ReactJS version 19 Guide. Explained in Tamil.

Real Time Example coding for Context API:
ThemeContext
UserContext

index.css
#root {
font-family: system-ui, Avenir, Helvetica, Arial, sans-serif;
max-width: 1280px;
margin: 0 auto;
padding: 2rem;
/* text-align: center; */

}
body {
margin: 0;
/* display: flex;
place-items: center; */
min-width: 320px;
min-height: 100vh;
background-color: #fff
}

h1 {
font-size: 3.2em;
line-height: 1.1;
}
.logo {
height: 6em;
padding: 1.5em;
will-change: filter;
transition: filter 300ms;
}
.logo:hover {
filter: drop-shadow(0 0 2em #61dafbaa);
}
.logo.react:hover {
filter: drop-shadow(0 0 2em #61dafbaa);
}
@media (prefers-color-scheme: light) {
:root {
color: #213547;
background-color: #ffffff;
}
a:hover {
color: #747bff;
}
button {
background-color: #f9f9f9;
}
}

.levels {
color: brown;
}
.card-container {
/* display: flex; */
flex-direction: row;
flex-wrap: wrap; /* Optional: wrap to next line if screen is small */
gap: 14px;
justify-content: center;
padding: 40px;
background-color: #f3f4f6;
}
.card {
background-color: #fff;
border-radius: 10px;
box-shadow: 0 4px 12px rgba(0,0,0,0.1);
overflow: hidden;
width: 200px;
transition: transform 0.3s;
}

.card:hover {
transform: translateY(-5px);
}

.card-image {
width: 50px;
height: 50px;
object-fit:contain;
margin: 5px;
border-radius: 8px;
}

.card-content {
padding: 10px 10px 10px 10px;
flex: 1;
}

.card-title {
margin: 0 0 10px;
font-size: 20px;
color: #333;
}

.card-description {
margin: 0 0 15px;
font-size: 12px;
color: #555;
}

.card-button {
padding: 8px 16px;
background-color: teal;
color: #fff;
border: none;
border-radius: 6px;
cursor: pointer;
font-size: 12px;
margin: 3px;
}

.card-button:hover {
background-color: lightseagreen;
}

.card-container a {
color: red
}
a.active {
color: blue;
}